A megaphone, speaking-trumpet, bullhorn, blowhorn, or loudhailer is usually a portable or hand-held, cone-shaped acoustic horn used to amplify a person's voice or other sounds and direct it in a given direction. The sound is introduced into the narrow end of the megaphone, by holding it up to the face and speaking into it, and the sound waves radiate out the wide end. A megaphone increases the v… WebDefinition of Megaphone. a cone-shaped device used to make the voice of the person speaking through it louder. Examples of Megaphone in a sentence. Using the …
acoustics - How do megaphones work? - Physics Stack …
Webmegaphone. noun [ C ] us / ˈmeɡ.ə.foʊn / uk / ˈmeɡ.ə.fəʊn / (UK also loudhailer) a cone-shaped device that makes your voice louder when you speak into it, so that people can … WebThe meaning of MEGAPHONE is a cone-shaped device used to intensify or direct the voice. a cone-shaped device used to intensify or direct the voice… See the full definition ... Share the Definition of megaphone on Twitter Twitter. Kids Definition. megaphone. noun. mega· phone. ˈmeg-ə-ˌfōn trushine cleaning
Megaphoning Definition & Meaning - Merriam-Webster
WebApr 29, 2024 · To become extra particular – the a variety of wills behind those behaviors. We perform certainly not believe that language is an achievement in itself, … WebDefinition of megaphone noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. WebWhen an operational amplifier is combined with an amplification circuit, it can amplify weak signals to strong signals.It behaves like a megaphone where the input signal is a person’s voice and the megaphone is the … philippine veterans bank baguio